<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <!-- import CSS -->
    <link rel="stylesheet" href="https://cdn.staticfile.org/element-ui/2.15.9/theme-chalk/index.css">
</head>
<body>
<div id="app">
    {{value}}
    <template>
        <el-select @change="handleSelect" v-model="value" placeholder="请选择">
            <!--label属性设置展示给用户看的内容
            value属性设置选中某一个之后得到的内容-->
            <el-option
                    v-for="item in options"
                    :label="item.label"
                    :value="item.value">
            </el-option>
        </el-select>
        <hr>
        <el-select @change="handleSelectProduct" v-model="price" placeholder="请选择商品">
            <!--label属性设置展示给用户看的内容
            value属性设置选中某一个之后得到的内容-->
            <el-option
                    v-for="p in arr"
                    :label="p.title"
                    :value="p.price">
            </el-option>
        </el-select>
    </template>

</div>
</body>

<!-- import Vue before Element -->
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<!-- import JavaScript -->
<script src="https://cdn.staticfile.org/element-ui/2.15.9/index.min.js"></script>
<script>
    let v = new Vue({
        el: '#app',
        data: function () {
            return {
                options: [{
                    value: '选项1',
                    label: '黄金糕'
                }, {
                    value: '选项2',
                    label: '双皮奶'
                }, {
                    value: '选项3',
                    label: '蚵仔煎'
                }, {
                    value: '选项4',
                    label: '龙须面'
                }, {
                    value: '选项5',
                    label: '北京烤鸭'
                }],
                value: '',
                arr:[{title:"小米手机",price:5000},{title:"华为手机",price:7000},
                    {title:"一加手机",price:4000},{title:"vivo手机",price:3000}],
                price:""
            }
        },
        methods:{
            handleSelect(){
                //把用户选择的值弹出
                v.$message(v.value);
            },
            handleSelectProduct(){
                v.$message("您选择的商品价格是:"+v.price+"元");
            }
        }

    })
</script>
</html>